刚开始从网上找了一些代码，使用的是TabActivity，但运行的时候总是异常退出，后来看帮助说4.0版TabActivity已过时，要用Fragment替代。。。。然后修来改去。。。。。。一直不能正常运行。。。。。。
后来下定决心还是用TabActivity去试试，一个个错误去查找，终于好了。。。。。。。。
布局:main_tab.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<!-- ID要用android系统的ID -->
<TabHost
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:id="@android:id/tabhost" >
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
android:padding="3dp">
<!-- 内容:ID要用android系统的ID -->
<FrameLayout
android:id="@android:id/tabcontent"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_above="@+id/main_radio"
android:layout_weight="1"
android:background="#FFF" >
</FrameLayout>
<!-- 标签:ID要用android系统的ID -->
<TabWidget
android:id="@android:id/tabs"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:visibility="gone" />
<!-- 按钮 -->
<RadioGroup
android:id="@+id/main_radio"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="#ccc"
android:orientation="horizontal"
android:layout_alignParentBottom="true">
<RadioButton
android:id="@+id/tab_btn_quality"
style="@style/main_tab_bottom"
android:checked="false"
android:text="@string/menu_quality" />
<RadioButton
android:id="@+id/tab_btn_sop"
style="@style/main_tab_bottom"
android:checked="true"
android:text="@string/menu_sop" />
<RadioButton
android:id="@+id/tab_btn_video"
style="@style/main_tab_bottom"
android:checked="false"
android:text="@string/menu_video" />
<RadioButton
android:id="@+id/tab_btn_logout"
style="@style/main_tab_bottom"
android:checked="false"
android:text="@string/menu_logout" />
</RadioGroup>
</RelativeLayout>
</TabHost>
</RelativeLayout>
样式:style.xml
<style name="main_tab_bottom">
<item name="android:textSize">13sp</item>
<item name="android:textStyle">bold</item>
<item name="android:textColor">@android:color/white</item>
<item name="android:gravity">center_horizontal</item>
<item name="android:paddingTop">5dp</item>
<item name="android:layout_width">fill_parent</item>
<item name="android:layout_height">wrap_content</item>
<item name="android:layout_weight">1.0</item>
<item name="android:button">@null</item>
<item name="android:layout_marginTop">1.0dip</item>
<item name="android:paddingBottom">5.0dip</item>
<item name="android:background">@drawable/selector_tab_btn</item>
</style>
按钮背景:selector_tab_btn.xml
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android" >
<!-- 选择时背景 -->
<item android:drawable="@drawable/tab_bg_sel" android:state_checked="true" />
<!-- 默认状态背景 -->
<item android:drawable="@drawable/tab_bg"></item>
</selector>
代码:MainActivity.java
package com.example.test;
import android.os.Bundle;
import android.app.Activity;
import android.app.TabActivity;
import android.view.Menu;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.TabHost;
import android.widget.TabWidget;
import android.content.Intent;
import android.content.res.Resources;
//public class MainActivity extends Activity
@SuppressWarnings("deprecation")
public class MainActivity extends TabActivity
{
public static TabHost mTabHost;
public static TabHost getmTabHost()
{
return mTabHost;
}
private RadioGroup mMain_radiogroup;
private RadioButton mTab_btn_quality,mTab_btn_sop,mTab_btn_video,mTab_btn_logout;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main_tab);
Resources resources = getResources();
mTabHost = getTabHost();
//去掉圆角边线，好像没啥用，界面中看不出什么
TabWidget tabWidget = mTabHost.getTabWidget();
tabWidget.setStripEnabled(false);
//添加标签页
mTabHost.addTab(mTabHost.newTabSpec(resources.getString(R.string.menu_tag_quality)).setIndicator(resources.getString(R.string.menu_tag_quality)).setContent(new Intent(this, Tab_Quality.class)));
mTabHost.addTab(mTabHost.newTabSpec(resources.getString(R.string.menu_tag_sop)).setIndicator(resources.getString(R.string.menu_tag_sop)).setContent(new Intent(this, Tab_SOP.class)));
mTabHost.addTab(mTabHost.newTabSpec(resources.getString(R.string.menu_tag_video)).setIndicator(resources.getString(R.string.menu_tag_video)).setContent(new Intent(this, Tab_Video.class)));
//mTabHost.addTab(mTabHost.newTabSpec(resources.getString(R.string.menu_tag_logout)).setIndicator(resources.getString(R.string.menu_tag_logout)).setContent(new Intent(this, LoginActivity.class)));
//关联控件与变量
mMain_radiogroup = (RadioGroup)findViewById(R.id.main_radio);
mTab_btn_quality = (RadioButton)findViewById(R.id.tab_btn_quality);
mTab_btn_sop = (RadioButton)findViewById(R.id.tab_btn_sop);
mTab_btn_video = (RadioButton)findViewById(R.id.tab_btn_video);
mTab_btn_logout = (RadioButton)findViewById(R.id.tab_btn_logout);
//单选钮选择事件
mMain_radiogroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(RadioGroup group, int checkedId) {
// TODO Auto-generated method stub
Resources resources = getResources();
if(checkedId == mTab_btn_quality.getId())
{
mTabHost.setCurrentTabByTag(resources.getString(R.string.menu_tag_quality));
}
else if(checkedId == mTab_btn_sop.getId())
{
mTabHost.setCurrentTabByTag(resources.getString(R.string.menu_tag_sop));
}
else if(checkedId == mTab_btn_video.getId())
{
mTabHost.setCurrentTabByTag(resources.getString(R.string.menu_tag_video));
}
else if(checkedId == mTab_btn_logout.getId())
{
//mTabHost.setCurrentTabByTag(resources.getString(R.string.menu_tag_logout));
//退出到登录界面
Intent intent = new Intent();
intent.setClass(MainActivity.this, LoginActivity.class);
startActivity(intent);
MainActivity.this.finish();
}
}
});
//设置程序默认打开的标签
mTabHost.setCurrentTabByTag(resources.getString(R.string.menu_tag_sop));
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
至于tab里面实际的内容，直接新建几个Activity就可以了。
然后运行就可以了。。。。
原文：http://www.cnblogs.com/yuchongjike/p/4153490.html